King Mario of Cramalot - S1-E2
Audio problem: When Toad says "that was close", his mouth isn't moving. (00:11:29)
King Mario of Cramalot - S1-E2
Audio problem: At the end, when everyone is laughing, Toad's mouth isn't moving. (00:18:43)
Butch Mario & the Luigi Kid - S1-E3
Audio problem: When Mario says that there is free food, his mouth does not move. (00:11:03)
Rolling Down the River - S1-E5
Audio problem: Before Mario tells the Koopa Troopas to go fish, he speaks, but his mouth does not move. (00:03:53)
Mario and the Beanstalk - S1-E7
Audio problem: When Mario asks where the way out is, he speaks through Goosey's mouth. (00:14:32)
Audio problem: After the missile flies over Mario and his friends, Toad's mouth moves before any dialogue comes out. (00:07:03)
Audio problem: When Mario and Luigi are excited to return to Brooklyn, Mario's mouth moves, but no sound can be heard. (00:07:26)
Two Plumbers and a Baby - S1-E17
Audio problem: When Luigi says that the Princess is gone, he speaks through Toad's mouth, and shortly afterward, the fireflies freeze for a few seconds as the camera pans. (00:14:13)
Mario meets Koop-Zilla - S1-E28
Audio problem: When Mario tells his friends to run for it, his mouth moves before he actually starts speaking. (00:04:29)
Mario meets Koop-Zilla - S1-E28
Audio problem: When Luigi asks how King Koopa became so large, he briefly speaks with King Koopa's voice. (00:04:35)
Mario and the Red Baron Koopa - S1-E30
Audio problem: In several shots during the beginning of the episode, King Koopa's mouth moves but no sound can be heard. (00:05:27 - 00:06:17)
Mario and the Red Baron Koopa - S1-E30
Audio problem: When King Koopa says that unless the Mushroomers surrender to him, he will bury Pastaland with snow, his mouth does not move. (00:06:04)
Audio problem: Despite the fortress being made of stone, when the Hammer Bros. hit one of its bricks, it makes the sound of metal. (00:06:42)
Audio problem: When they are trying to escape Koopa and the little caveman speaks, then Luigi answers him, he has the Princess' voice.
Audio problem: When King Koopa throws the snake at the Mario Bros., they use Luigi's voice when King Koopa says "Quick, quick! Run away from him!"
Audio problem: When Mario says, "Who cares?", he speaks with Luigi's voice. This also happens when he is surprised by the amount of time Sergeant Kooperman gives him and Luigi to unclog the sink. (00:05:19 - 00:07:41)
Audio problem: When Luigi says that Mario's wrench will bring his memory back, his mouth does not move. (00:13:59)
Raiders of the Lost Mushroom - S1-E49
Audio problem: Shortly after Mario's friends arrive, Mario's mouth moves, but no sound can be heard. (00:13:48)
Raiders of the Lost Mushroom - S1-E49
Audio problem: When Mario picks up the Lost Mushroom for the first time, his mouth is moving, but not saying anything. (00:32:10)
Audio problem: When Mario tosses the statue to Princess Toadstool, his mouth moves, but no sound can be heard. (00:15:27)